Esc key: Keyboard (computing), Escape sequence, character, ASCII, Peripheral, Application software ,Web browser, Microsoft Windows

Control X: Computing, ASCII, character, Keyboard (computing), Mac OS, Command key, Cancel character

Delete key: Keyboard (computing), IBM PC Keyboard, Apple Cursor (computers), Backspace, ASCII,...

Grayed Out: Computing, Graphical user interface, Grey, State (computer science), Web browser,...

Alt code: Personal computer, Microsoft Windows, key, DOS, Operating system, Character (computing),...